HP Dx5150 HP Business Desktop dx5150 Series Service Reference Guide, 1st Editi - Page 164
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Troubleshooting Without Diagnostics Solving Hardware Installation Problems You may need to reconfigure the computer when you add or remove hardware, such as an additional diskette drive. If you install a plug and play device, Windows XP automatically recognize the device and configure the computer. If you install a non-plug and play device, you must reconfigure the computer after completing installation of the new hardware. In Windows XP, use the Add Hardware Wizard and follow the instructions that appear on the screen. Solving Hardware Installation Problems Problem Cause Solution A new device is not recognized as part of the system. Device is not seated or connected properly. Cable(s) of new external device are loose or power cables are unplugged. Power switch of new external device is not turned on. Ensure that the device is properly and securely connected and that pins in the connector are not bent down. Ensure that all cables are properly and securely connected and that pins in the cable or connector are not bent down. Turn off the computer, turn on the external device, then turn on the computer to integrate the device with the computer system. When the system advised you of changes to the configuration, you did not accept them. Reboot the computer and follow the instructions for accepting the changes. A plug and play board may not automatically configure when added if the default configuration conflicts with other devices. Use Windows XP Device Manager to deselect the automatic settings for the board and choose a basic configuration that does not cause a resource conflict. You can also use Computer Setup to reconfigure or disable devices to resolve the resource conflict. Computer will not start. Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the proper installation. 2. Observe the beeps and LED lights on the front of the computer. See Appendix C, "POST Error Messages," to determine possible causes. D-18 361685-001 Service Reference Guide, dx5150